Blender Blender Materials & Shading

Question 1

Which Blender render engine uses physically-based path tracing?

Accepted Answer

Cycles

Answer

Eevee

Answer

Workbench

Answer

LuxRender

Question 2

In Blender's Shader Editor, what node is the core of most material setups?

Accepted Answer

Principled BSDF

Answer

Emission Shader

Answer

Diffuse BSDF

Answer

Mix Shader

Question 3

What does the 'Roughness' input in the Principled BSDF node control?

Accepted Answer

How diffuse or shiny the specular reflection appears

Answer

Surface displacement height

Answer

Bump intensity

Answer

Subsurface scattering radius

Question 4

What does a 'UV Map' node in Blender's shader editor provide?

Accepted Answer

Provides UV coordinates for placing textures on a mesh

Answer

Generates procedural textures

Answer

Creates UV-based lighting

Answer

Outputs vertex colors

Question 5

In Blender, what is a 'Texture Coordinate' node used for?

Accepted Answer

Providing various coordinate inputs (UV, Object, Generated, Normal) for texturing

Answer

Displaying UV layouts in the Image Editor

Answer

Storing texture file paths

Answer

Baking texture coordinates to a map

Question 6

What is the role of the 'Normal Map' node in Blender's shader system?

Accepted Answer

It converts a tangent-space normal map texture into usable normal vectors for shading

Answer

It bakes normals to a texture

Answer

It generates procedural normals

Answer

It inverts face normals